Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads
- ID
- 9422
- Status
- summarized
- Published
- 30 Jul 2026, 2:10 AM
- Fetched
- 31 Jul 2026, 10:38 AM
- Provider
- The Hacker News
- Category
- security
- Original URL
- https://thehackernews.com/2026/07/critical-rails-flaw-could-let.html
- Source URL
- https://feeds.feedburner.com/TheHackersNews
Excerpt
Ruby on Rails has released fixes for a critical Active Storage vulnerability that could let unauthenticated attackers read arbitrary files from application servers through crafted image uploads. Tracked as CVE-2026-66066 (CVSS score: 9.5), the flaw can expose the Rails process environment and secrets such as secret_key_base, the Rails master key, database passwords, cloud storage credentials,
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